A member asked:

What makes jaw line shrink and get smaller ? what are some causes of it

A doctor has provided 1 answer

Genetics: Genetic predisposition is the major factor in determining the posture of the mandible. Environmental factors headlined by a patent airway is the major parameter whether the mandible does grow to its full potential. In mature mouths tooth loss is the major factor affecting jaw posture.

Answered 7/27/2014

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